oss-security - Re: CVE Request: Gambas Directory hijack vulnerability

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Date: Sat, 02 Mar 2013 19:56:01 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Salvatore Bonaccorso <carnil@...ian.org>
Subject: Re: CVE Request: Gambas Directory hijack vulnerability

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On 03/01/2013 02:53 PM, Salvatore Bonaccorso wrote:
> Hi Kurt
> 
> It was found that Gambas is vulnerable to a (temorary files)
> directory hijack vulnerability. Here two references:
> 
> http://seclists.org/fulldisclosure/2013/Feb/116 (fulldisclosure) 
> http://code.google.com/p/gambas/issues/detail?id=365 (upstream 
> bugtracker)
> 
> Upstream also mentioned the following in their changelog for 3.4.0 
> release:
> 
> * BUG: Ensure that the interpreter temporary directory is owned by
> the current user and that its rights are accurate. Otherwise
> abort. * BUG: When creating the process temporary directory, check
> the permissions of both the top directory (gambas.) and the process
> directory inside.
> 
> http://gambasdoc.org/help/doc/release/3.4.0?view
> 
> Upstream fixes done via #5438 and #5464:
> 
> http://sourceforge.net/p/gambas/code/5438/ 
> http://sourceforge.net/p/gambas/code/5464/
> 
> Can a CVE be assigned to this?
> 
> Regards, Salvatore

This is one root issue, failure to create tmp dir safely, please use
CVE-2013-1809 for this issue. Also please refer to:

http://kurt.seifried.org/2012/03/14/creating-temporary-files-securely/

also if anyone has languages they'd like to see listed there that
aren't let me know.


- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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